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ASTM D6947-07(2013)

(Specification)

Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System

Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System

ABSTRACT
This specification covers a single component protective roof coating composed of solvent-borne moisture curing urethane elastomeric polymer, to which various pigments or other additives have been added to give the required physical properties. The product, as manufactured, shall be in liquid form for application to spray polyurethane foam (SPF) surfaces by brushing, rolling, or spraying. However, guidance for its application is not addressed here. Coatings shall be tested and conform accordingly to specified liquid property requirements as to viscosity, and volume and weight of solids. Dry films shall also adhere to the following physical property requirements, when tested as appropriate: initial percent elongation at break; initial tensile strength at maximum stress; final percent elongation at break after accelerated weathering; permeance; water absorption; adhesion; fungi resistance; tear resistance; and low temperature flexibility.
SCOPE
1.1 This specification covers a single component, moisture cured, elastomeric urethane polymer coating used as a protective coating for spray polyurethane foam roofing systems.  
1.2 This specification does not provide guidance for application.  
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.  
1.4 The following precautionary caveat pertains only to the test method portions, Sections 5 and 6.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.

General Information

Status
Historical
Publication Date
30-Apr-2013
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.06 - Spray Polyurethane Foam Roof Systems
Current Stage
Ref Project

Relations

Replaces
ASTM D6947-07 - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
Effective Date
01-May-2013
Replaced By
ASTM D6947/D6947M-07(2013)e1 - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
Effective Date
01-May-2013

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ASTM D6947-07(2013) - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing SystemASTM D6947-07(2013) - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
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ASTM D6947-07(2013) - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D6947 −07(Reapproved 2013)
Standard Specification for
Liquid Applied Moisture Cured Polyurethane Coating Used
in Spray Polyurethane Foam Roofing System
This standard is issued under the fixed designation D6947; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D903Test Method for Peel or Stripping Strength of Adhe-
sive Bonds
1.1 This specification covers a single component, moisture
D1079Terminology Relating to Roofing and Waterproofing
cured, elastomeric urethane polymer coating used as a protec-
D1644Test Methods for Nonvolatile Content of Varnishes
tive coating for spray polyurethane foam roofing systems.
D1653Test Methods for Water Vapor Transmission of Or-
1.2 This specification does not provide guidance for appli-
ganic Coating Films
cation.
D2196Test Methods for Rheological Properties of Non-
1.3 The values stated in SI units are to be regarded as Newtonian Materials by Rotational (Brookfield type)
standard. The values given in parentheses are for information
Viscometer
only. D2697Test Method for Volume Nonvolatile Matter in Clear
or Pigmented Coatings
1.4 The following precautionary caveat pertains only to the
D2370Test Method for Tensile Properties of Organic Coat-
test method portions, Sections 5 and 6.
ings
1.5 This standard does not purport to address all of the
D4798Practice for Accelerated Weathering Test Conditions
safety concerns, if any, associated with its use. It is the
and Procedures for Bituminous Materials (Xenon-Arc
responsibility of the user of this standard to establish appro-
Method)
priate safety and health practices and determine the applica-
G21Practice for Determining Resistance of Synthetic Poly-
bility of regulatory requirements prior to use.
meric Materials to Fungi
2. Referenced Documents
3. Terminology
2.1 ASTM Standards:
3.1 Fordefinitionsoftermsspecifictothisstandard,referto
D16TerminologyforPaint,RelatedCoatings,Materials,and
Terminologies D16 and D1079.
Applications
D412TestMethodsforVulcanizedRubberandThermoplas-
4. Materials and Manufacture
tic Elastomers—Tension
D471Test Method for Rubber Property—Effect of Liquids
4.1 Composition—Theproduct,asmanufactured,shallbein
D522Test Methods for Mandrel Bend Test of Attached
liquid form for application to spray polyurethane foam (SPF)
Organic Coatings
surfacesbybrushing,rolling,orspraying.Theproductshallbe
D562Test Method for Consistency of Paints Measuring
composed of a solvent-borne moisture curing urethane elasto-
KrebsUnit(KU)ViscosityUsingaStormer-TypeViscom-
meric polymer, to which various pigments or other additives
eter
have been added to give the required physical properties.
D624Test Method for Tear Strength of Conventional Vul-
4.2 Physical Properties—Although the product is supplied
canized Rubber and Thermoplastic Elastomers
as a liquid, its performance is based on the functional proper-
ties of the dried material in film form. The coating is formed
This specification is under the jurisdiction of ASTM Committee D08 on into a film fully adhered to the substrate surface.
RoofingandWaterproofingandisthedirectresponsibilityofSubcommitteeD08.06
on Spray Polyurethane Foam Roof Systems.
5. Physical Properties
Current edition approved May 1, 2013. Published May 2013. Originally
approved in 2006. Last previous edition approved in 2007 as D6947 – 07. DOI:
5.1 The liquid coating shall comply with physical property
10.1520/D6947-07R13.
2 requirements in Table 1.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.2 The film shall comply with physical property require-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. ments in Table 2.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D6947−07 (2013)
TABLE 1 Liquid Property Requirements specified in Practice D4798, the exposure time required to accumulate the
radiant energy specified in 6.4 is 1000 h.
Physical
ASTM Requirements
Properties
6.5 Permeance (Test Methods D1653, Procedure B)—A0.5
Viscosity D562 90 to 110 KU
mm (20 mils) 6 10% film shall be used.
D2196 12 to 85 Pa·s
6.5.1 Test Conditions: 23 6 2°C (73.4 6 3.6°F).
Volume Solids D2697 Greater than 65 %
Weight Solids D1644 As listed by Manufacturer
6.5.2 Test is run in the inverted position with water in
contact with the film.
6.5.3 Value is reported in SI units.
TABLE 2 Film Physical Property Requirements for Polyurethane
6.6 Water Absorption (Test Method D471)—Thetestshallbe
Moisture Cured Coating for Use on Sprayed Polyurethane Foam
conductedat23 62°C(73.4 63.6°F)usinga0.5mm(20mil)
Physical
ASTM Requirement
6 10% film immersed in distilled water for a period of 168 6
Property
4 h. At that time the weight is det
...

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ASTM C390-08(2024)(Practice)
Standard Practice for Sampling and Acceptance of Thermal Insulation Lots

SIGNIFICANCE AND USE
4.1 The sampling and inspection prescribed in this practice afford the purchaser a practical level of quality assurance on incoming material. They are based on cost/risk relationships considered typical for preformed thermal insulations offered for general use. In all cases, the purchaser should review this practice and determine its suitability in terms of his specific needs.  
4.2 This procedure is intended primarily for the inspection of a continuing stream of lots, and there is not a high probability of rejecting occasional off lots. Consumer protection is based on economic pressure on the producer, through greater risk of lot rejection, to maintain the process average at 90 % conformance or better. Operating characteristic curves for the sampling plans employed can be found in Practice E2234, Table X-C through Table X-F.  
4.3 It is not the intent of this procedure to estimate lot quality, control the quality of production, relieve the supplier of responsibility for the quality of material offered, or determine the disposition of material found to be defective after receipt by the purchaser.
SCOPE
1.1 This practice covers criteria for establishing the acceptability of lots of shipments of preformed board, preformed block and pipe, and batts and blanket thermal insulation based on sampling and inspection.  
1.2 This practice is intended for use in conjunction with appropriate ASTM material specifications that classify and describe the specific physical requirements for the product in terms of qualification requirements and inspection requirements. Determination of nonconformity shall be based on the tolerances for individual sample test values prescribed in the material specification.  
1.3 This practice may require inspection substantially different from that performed in the normal course of production. If the purchaser requires sampling and acceptance inspection in accordance with this practice, he shall so specify in the order or contract.  
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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